🧹 Ensure proper cleanup in examples to avoid thread lingering warnings

Author: roryp

03-CoreGenerativeAITechniques/examples/src/main/java/com/example/genai/techniques/completions/LLMCompletionsApp.java

@@ -59,6 +59,9 @@ public static void main(String[] args) {
 
             // Example 3: Interactive chat
             interactiveChat(client);
+
+            // Force proper cleanup to avoid thread lingering warnings
+            System.exit(0);
 
         } catch (Exception e) {
             System.err.println("Error: " + e.getMessage());

03-CoreGenerativeAITechniques/examples/src/main/java/com/example/genai/techniques/functions/FunctionsApp.java

@@ -59,6 +59,9 @@ public static void main(String[] args) {
             // Example 2: Calculator function
             System.out.println("=== Calculator Function Example ===");
             calculatorFunctionExample(client);
+
+            // Force proper cleanup to avoid thread lingering warnings
+            System.exit(0);
 
         } catch (Exception e) {
             System.err.println("Error: " + e.getMessage());

03-CoreGenerativeAITechniques/examples/src/main/java/com/example/genai/techniques/rag/SimpleReaderDemo.java

@@ -114,6 +114,9 @@ public static void main(String[] args) throws IOException {
                 System.err.println("Error calling the API: " + e.getMessage());
                 e.printStackTrace();
             }
+
+            // Force proper cleanup to avoid thread lingering warnings
+            System.exit(0);
         }
     }
 

03-CoreGenerativeAITechniques/examples/src/main/java/com/example/genai/techniques/responsibleai/ResponsibleGithubModels.java

@@ -70,6 +70,9 @@ public static void main(String[] args) {
         System.out.println("\n=== Summary ===");
         System.out.println("This demonstration shows how GitHub Models implements responsible AI");
         System.out.println("safety measures by filtering harmful content and protecting users.");
+
+        // Force proper cleanup to avoid thread lingering warnings
+        System.exit(0);
     }
 
     /**